Linux · Red Hat · Security advisory · August 28, 2026

RHSA-2026:50728: Security update for 30 packages

RHSA-2026:50728, released August 28, 2026, fixes 6 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
6
None rated Critical
Exploited
0
None reported
Highest CVSS
7.3
Base score, 0 to 10
Highest EPSS
0.0083
57th percentile

Priority of the 6 CVEs

Patch now 0 Urgent 0 High 6 Routine 0

Fixed package versions

ProductReleaseFixed in
rubyRHEL 80:3.3.12-8.module+el8.10.0+24567+c4e5368e
ruby-bundled-gemsRHEL 80:3.3.12-8.module+el8.10.0+24567+c4e5368e
ruby-default-gemsRHEL 80:3.3.12-8.module+el8.10.0+24567+c4e5368e
ruby-develRHEL 80:3.3.12-8.module+el8.10.0+24567+c4e5368e
ruby-docRHEL 80:3.3.12-8.module+el8.10.0+24567+c4e5368e
ruby-libsRHEL 80:3.3.12-8.module+el8.10.0+24567+c4e5368e
rubygem-abrtRHEL 80:0.4.0-1.module+el8.10.0+21226+b78a28c4
rubygem-abrt-docRHEL 80:0.4.0-1.module+el8.10.0+21226+b78a28c4
rubygem-bigdecimalRHEL 80:3.1.5-8.module+el8.10.0+24567+c4e5368e
rubygem-bundlerRHEL 80:2.5.22-8.module+el8.10.0+24567+c4e5368e
rubygem-io-consoleRHEL 80:0.7.1-8.module+el8.10.0+24567+c4e5368e
rubygem-irbRHEL 80:1.13.1-8.module+el8.10.0+24567+c4e5368e
rubygem-jsonRHEL 80:2.7.2-8.module+el8.10.0+24567+c4e5368e
rubygem-minitestRHEL 80:5.20.0-8.module+el8.10.0+24567+c4e5368e
rubygem-mysql2RHEL 80:0.5.5-1.module+el8.10.0+21226+b78a28c4
rubygem-mysql2-docRHEL 80:0.5.5-1.module+el8.10.0+21226+b78a28c4
rubygem-pgRHEL 80:1.5.4-1.module+el8.10.0+21226+b78a28c4
rubygem-pg-docRHEL 80:1.5.4-1.module+el8.10.0+21226+b78a28c4
rubygem-power_assertRHEL 80:2.0.3-8.module+el8.10.0+24567+c4e5368e
rubygem-psychRHEL 80:5.1.2-8.module+el8.10.0+24567+c4e5368e
rubygem-raccRHEL 80:1.7.3-8.module+el8.10.0+24567+c4e5368e
rubygem-rakeRHEL 80:13.1.0-8.module+el8.10.0+24567+c4e5368e
rubygem-rbsRHEL 80:3.4.0-8.module+el8.10.0+24567+c4e5368e
rubygem-rdocRHEL 80:6.6.3.1-8.module+el8.10.0+24567+c4e5368e
rubygem-rexmlRHEL 80:3.4.4-8.module+el8.10.0+24567+c4e5368e
rubygem-rssRHEL 80:0.3.1-8.module+el8.10.0+24567+c4e5368e
rubygem-test-unitRHEL 80:3.6.1-8.module+el8.10.0+24567+c4e5368e
rubygem-typeprofRHEL 80:0.21.9-8.module+el8.10.0+24567+c4e5368e
rubygemsRHEL 80:3.5.22-8.module+el8.10.0+24567+c4e5368e
rubygems-develRHEL 80:3.5.22-8.module+el8.10.0+24567+c4e5368e

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-47240 Net::IMAP: Command Injection via non-synchronizing literal in "raw" argument7.3 0.0083 None reported
High CVE-2026-27820 zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption7.3 0.0056 None reported
High CVE-2026-42257 net-imap: Command Injection via "raw" arguments to multiple commands7.3 0.0043 None reported
High CVE-2026-47241 Net::IMAP: Denial of Service via incomplete raw argument validation7.3 0.0038 None reported
High CVE-2026-42256 net-imap: Denial of service via high iteration count for `SCRAM-*` authentication7.3 0.0030 None reported
High CVE-2026-47242 ruby: Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby7.3 0.0018 None reported
Showing 1 to 6 of 6 1

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.